Corn-harvester



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A QORN HARVESTER. No. 513,673. Patented Jan. 30, 1894.

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JOHN DABLE, OF CHICAGO, ILLINOIS.

CORN-HARVESTER.

SPECIFICATION forming part of Letters Patent No. 513,673, dated January 30, 1894.

Application filed February 8, 1892. l Serial No.420,759. (No model.)

To all whom it may concern.-

Be it known that I, JOHN DARLE, a citizen of the United States, residing in Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Corn-Harvesters, of which the following is a specification.

The nature and object of my said invention is a machine adapted to be carried on wheels over a field upon which stalks of corn are standing, to guide the stalks of one row at a time into the machine as it passes over the ground, cut off the stalks, conveythem back to the rear to a receptacle sufficient for the formation of a single stack, which being properly bound into a shock by the operator on the platform, is thrown upon an endless traveling bed which conveys it to the side of the machine and deposits it upon the ground, standing upright, upon its base, and out of the way of the machine, when it shall operate in the same Way upon another row of stalks. One ofthe wheels of the carriage, when in motion, imparts the power which does the whole of the work, except that which is done by the operator in binding the shock and tipping it onto the traveling bed.

My said improvement will be hereinafter more fully described with reference to the accompanying drawings, in 'which- Figure l represents a top view of a machine embracing the same; Fig. 2 a bottom viewof the same; Fig. 3 a side view; Fig. t a cross sectional view of a part of the same, taken as indicated by the broken line X X in Fig. l; Fig. 5 a like section taken as indicated by the broken line U U in Fig 1; Fig. 6 a detail View of the receptacle for the stalks of corn after they are severedand carried back to it; Fig. 7 a like view, partly in section, of one of the rollers m of the endless traveling bed, the antifriction thimbles on each end of the said rollers and the chains connecting said rollers together. Fig. 8 is a side view of a portion of one such chain showing the ends m of the journals of said rollers, and by broken lines showing the antifriction thimbles mounted upon them and a side view of said chain; Fig. 9 a detail view of link I-I of the sprocket chain with its tooth h; Fig. 10 a like view, in vertical section of the box O inclosing the saw or cutter C., and the bevel gears by means of which the saw is operated; and Fig. ll a detail view in vertical section of the special frame including posts and shafts for carrying the cut up corn back to the receptacle before mentioned.

In the drawingsAA indicate the carrying wheels of the machine; B the axle.

N is a caster wheel mounted at the rear of the machine to enable it to be easily turned around in operation. The axle on which it turns has its bearings in the vertical shaft N which passes up through a suitable holder N2 which itself is supported by a projection N3 of the main frame of the machine and allows the shaft N to turn therein, and n2 is merely a loop attached to the main frame and holds the upper end of the shaft steady and allows it to turn therein, and n is a pin adapted to be inserted in any one of a vertical seriesl of holes in the holder and also in the projection 0f the frame by means of which the holder and caster wheel may be held up after being adjusted to any desired elevation to correspond with the forward portion of the machine. But as no claim is made for this caster wheel no further description is deemed necessary.

Upon the axle are supported the frame and platform, which are oblong in form. The right hand wheel is provided with a hub extending inwardly and has mounted upon it a sprocket wheelA2 and then across and under the frame forward of the axle the shaft C is furnished with proper bearings and on its right hand end is mounted a sprocket Wheel C and over and around this wheel and the like one on thehub of wheelA is the open link chain A3 and thus when the carriage moves forward these devices impart motion tothe shaft C which last named shaft conveys motion to all the other movable parts except the receptacle for the cut up corn stalks before mentioned. Upon the shaft C about midway its length is mounted a bevel gear C2 and in like manner is mounted upon suitable bearings in the frame the shaft C5 at a right angle with shaft C and it is provided with bevel gear C3 at its forward end adapted to mesh with gear C2, and furthei` back to the rear it is furnished with another bevel gear C4 which meshes with a like gear C6 on the end of short cross shaft C7 which is IOO also furnished with proper bearings under and against the frame, while the other end of that shaft is provided with bevel gear C8 which is adapted to mesh with bevel gear C9 on the lower end of shaft C10 which latter named shaft imparts the motion that carries back the cut up corn stalks to where they are bound into shocks by the operator. I will here, however, revert to shaft C', and state thatit is provided on its right hand end with a bevel gear G12 which meshes with another bevel gear C13 which is mounted upon ashort vertical shaft on which latter shaft is mounted the circular saw G which is thus made to revolve horizontally, and which is designed to cut oif the stalks of a single row of them as the machine is driven against them, and the fingers E' E are designed to guide them into the space E and against the saw G. In Fig. 2 of the drawings the saw is shown to be protected by a metal strap merely, but l much prefer protecting the bevel gears C12 and C13 and the saw G by the box 0 shown in Fig. 10. It is bolted to the under side of the frame as shown in that ligure and performs an important function in the protection of the parts named from dust, weeds, and corn blades, which would otherwise obstruct and perhaps break them. The box may be cast of iron in one piece or otherwise, and made quite strong, and it will prove quite useful also in breaking down the stumps of the cut stalks and leave the ground in better condition for plowing. The short shaft shown and bearing the saw G and the bevel gear C1B is journaled in the frame as shown in Fig. 10.

My devices for conveying the cut up corn stalks,in an uprightposition, back to the receptacle or shocking table, consist of an inclosing box or case, and the side board E2 standing on the ioor or platform E4, and it forms one side of the passage way F for the stalks from the front to the rear where they are deposited with their butt ends upon the shocking table before mentioned, and two other vertical boards or walls, which extend up from iioor E4 one of which is marked E5 and the other stands between it and the side piece E2and a sufficient distance from the latter to leave a suflicient passage way for the corn stalks to pass back between the two vertical walls described with a proper top E3 on their upper ends as shown in Fig. 4 in which also is shown the right hand wall of the frame of the machine which serves as a guard for the interior.. The left hand wall is pierced above and below to allow portions of the sprocket wheels C11 mounted upon shaft C10 to pass through it as shown in Fig. ll. The described box incloses the following parts, namely: two pairs of metal plates 7L', one pair near the top of the box orcase, the other near its bottom, and both pairs of plates and the top and bottom of the case are pierced by the posts J J, while the shaft C10 passes up from below through the bottom and through the two pairs of plates and the sprocket wheels between each two of a pair as shown. The idle shaft shown passes through each pair and through the two sprocket wheels C11 mounted upon said shaft. The two posts .l are held rmly against the top and bottom by screw nuts upon their respective ends as shown in Fig. l1, and in order to keep the plates parallel with each other and secure true action of the sprocket wheels between each pair pipe sectionsj j are placed on the posts between the upper pair and the top and the lower pair and the bottom and other like sections A7'27'2 between the two plates constituting each pair and other sections jj between the upper and lower pair and thus the operative parts are firmly held to true action. The open linked chain adapted to carry back the cut up stalks is composed ot' links l-l which have a like hook at each end to engage with adjoining links and each alternate link is provided with a long tooth h to extend across the passageway F and carry the stalks back when the chain moves. The sprocket wheels C are fixed upon the shaft O10 so far apart that the teeth h on the lower chain will engage with the stalks near their butts and those on the upper chain with them above the middle. The teeth may be cast of any suitable metal in one piece with the links to which they belong or otherwise.

The receptacle before mentioned is composed of the base plate as shown in Fig. 6 and itis provided with four slots K5 through it, and also with four tripping plates K4, which are hinged to it as shown in that figure, the hinges K6 being opposite the outer end of each slot. The hinges K6 consist each of two eyes furnished by the base plate and a rod attached to the tripping plates and having its ends in the eyes and adapted to turn therein. Sec Figs. 5 and G. Then up through the center of the plate is a vertical rod Ka which is provided with a bearing for its upper end in the fender bar K8 which has the peculiar curved form shown in Figs. l and 3 and is designed, while the stalks are being carried back, to keep them in proper place and out of the way of the moving parts. The rod K3 passes down through the floor and is secured at each end by screw nuts and turns freelyin its bearings. On it is mounted a revolving frame which consists of a hollow shaft K9 which is shown in vertical section in Fig. 5 and which is provided with a series of plates each of which extends out radially and horizontally, so that when the frame revolves upon the vertical rod K3 there will be presented to the conveying apparatus, in succession, the arms, one above and one below and another between them, for the reception of the stalks. The outer ends of the arms are stiffened and held in proper position by the rods k.

The operator may stand anywhere on the platform in the space E5, and as one division of the revolving frame becomes full he will remove the stalks, enough in quantity for one shock, turn the frame a quarter round, bind the shock while another division is being filled and so on, but to remove the shock after it has been bound the tripping plates before mentioned have been provided, and when these are in their normal position they fit down snugly upon the base plate and the butt ends of the stalks stand upright upon them. But in order to make their removal easy the tripping plates are hinged as hereinbefore stated. The base plate is furnished with friction rollers K7 as shown in Figs. 2 and 5, the base plate'furnishing the bearings for the rollers which roll upon the ioor of the machine. Upon a special shaft L is fastened a lever L and to the same shaft is fastened the crank arm L2, and so when stalks enough are onthe tripping plate the operator pushes or pulls the lever until it occupies the position shown by the broken lines in Fig. 5, and the free end of the crank arm will have been forced up through one of the slots K5 in the base plate and will have raised the tripping plate on its hinges into the position shown by the broken lines in Fig. 5 and by that act the shock will have been slid o onto the traveling bed M in a manner so easy as not to upset it. Z is merely a spring stop to prevent the lever from going back too far.

The traveling bed M is kept in motion so long as the carriage is driven and it is made up of a series of wooden rollers m which are mounted upon metal rods m2 which rods are provided near each end with antifriction rollers m', and these devices Aare connected together by simple flat links m4 each one of which has a hole through each of its ends as shown in Fig. 8. The end of each rod m2 is inserted through the hole in the forward end ofa link and through the back end of another link, and thus an endless bedis formed of these wooden rollers m, and in order to cause this endless bed to travel a sprocket wheel M5 with projections upon its periphery adapted to enter the spaces between adjoining rollers m having the thimbles m on their ends is fastened upon the rear end of shaft C5 and there at a sufficient distance from shaft C5 another small shaft M6 is mounted upon the frame and provided with an idle rollerin order that when the endless bed embraces this and the spocket wheel M5, the endless bed will be held taut. Thereupon the endless bed moves and the shocks of corn stalks are successively delivered upon it by the tripping plates. They are conveyed to the outer edge of the machine and dropped upon the ground. In the drawings Z indicates a portion of the tongue of the carriage, F.-6 a cross beam of the frame and E7 a long bar at a right angle thereto designed t0 protect the shocks as they are delivered against going too far away as they reach the ground and e is intended to hold the long bar and beam at a right angle with each other and is merely an iron strap fastened to both.

M4 shown in section in Fig. 5 is a loose roller mounted upon a rod having its bearings'in the frame, and is designed to extend across under the traveling bed and prevent the same from sagging when the machine is operating.

D indicates the seat for the driver.

X is merely a box to hold the necessary tools for the use of the operator.

What I claim as my invention, and desire to secure by Letters Patent, is-

l. In combination with the described box or case the operative parts inclosed therein, namely, the two pairs of plates h', the two pairs of sprocket wheels C11, the shaft C10 and the idle shaft described upon which the two sprocket wheels are mounted, the pipe sectionsj, j', i2 and the two described sprocket chains, the whole adapted to secure true action and feed the cut-up stalks and convey them back to the shocking table, substantially as described.

2. In combination with the described revolving frame for the reception of successive parcels of stalks, the described base plate provided With slots K5 through the same, and also with tripping plate K4 hinged thereto directly over said slots, and the lever L, with its shaft L and crank arm L?, the whole adapted to raise the inner ends of the tripping plates and cast the shocks of stalks off upon the traveling bed when required, substantially as described.

3. In combination with the shaft C5 and the sprocket wheel M5 mounted thereon, and the idle wheel M6, the traveling bed M composed of rollers m provided with friction thimbles m', and with spindles m2 on which they turn, and the endless chain connecting the rollers together composed of at links m4 connected with spindles m2 as described, the whole adapted to be set in motion by the carriageand to carry o the shocks of stalks when thrown onto the bed and deliver them upon the ground standing upright, substantially as described.

JOHN' DABLE.

Witnesses C. HUGE, HORACE WHEELER.

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